The invention provides a Mesona chinensis Benth drying and flour-milling machine. The Mesona chinensis Benth drying and flour-milling machine comprises a drying device and a motor control box, whereina primary smashing device facilitating Mesona chinensis Benth smashing is in through connection with the bottom of the drying device, and a secondary flour-milling device facilitating Mesona chinensis Benth grinding is in through connection with the bottom of the primary smashing device. According to the technical scheme, Mesona chinensis Benth entering the drying device through a feeding hole issent to a through part of the drying device and the primary smashing device by a conveying device and is mechanically dried, smashed and ground, and operation is convenient and efficient; and meanwhile, a first motor drives a rotating disc to rotate, a slider is enabled to rotate, so that a connecting rack is enabled to move front and back in a first casing under the limiting action of a slide rod, a stirring telescopic rod is enabled to move front and back in the first casing, the Mesona chinensis Benth in the first casing is sufficiently stirred, and the problem of insufficient drying of the Mesona chinensis Benth due to folding of the Mesona chinensis Benth is solved.